5ET 2

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Fuses are generally used as safety and fire prevention components in electrical components, and also play an important role in the circuit when overcurrent or overload occurs. The 5ET 2 is the normal type of miniature fuse. By using special material and technology, it is designed to provide overcurrent protection and be suitable for a wide range of applications.

The 5ET 2 fuse has two application fields. The first field is in the industrial and commercial sector, where 5ET 2 fuses are normally used in low and medium power distribution systems, motor control systems, and in instrumentation and control systems. These fuses are designed to protect circuits with short-circuit currents or overloads arising from motor start-up or load changes. The second application field is in the residential sector. Here, 5ET 2 fuses are mainly used in residential heating and cooling systems, home alarms, water heaters, and so on. They are designed to prevent interruption of service or equipment damage in these circuits.

The 5ET 2 fuse is constructed with a ceramic tube and a metal end cap. Inside the tube, a thin wire is wound and placed between two metal contact surfaces. When the current passes through the fuse, the heat generated by the current will heat up the thin wire in the fuse. When the wire reaches its melting point, it will melt and thus breaking the circuit. This is how the 5ET 2 fuse works.

When an overload or short circuit occurs, the 5ET 2 fuse is designed to interrupt the current, thus protecting the circuit from damage. This fuse is also designed to protect the circuit from overvoltages that can cause excessive heating of the wiring. This is done by limiting the amount of current that can pass through the fuse. Additionally, the 5ET 2 fuse is designed to self-extinguish, so it will not cause a fire in case of an overload.

In conclusion, the 5ET 2 fuse has two application fields, the industrial and commercial and the residential sectors. Its working principle is to heat up the thin wire inside the fuse up to its melting point, and then break the circuit. This fuse is designed to protect the circuit from both overcurrents and overloads, as well as overvoltages.

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